<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* 
            background-color 设置背景颜色
        */
        div {
            width: 100px;
            height: 100px;
            background-color: red;
            background-color: #123456;
        }
    </style>
</head>
<body>
    <div>
        hello
        <img src="../20231010/1.jpeg" width="50px" alt="">
    </div>
</body>
</html>